<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<div>
    <h1>注册页面</h1>
        <input type="text" v-model="user.username" placeholder="用户名">
        <input type="text" v-model="user.password" placeholder="密码">
        <input type="text" v-model="user.nickname" placeholder="昵称">
        <input type="button" value="注册" @click="reg()">
</div>
<script src="https://cdn.bootcdn.net/ajax/libs/axios/0.21.1/axios.min.js"></script>
<script src="https://cdn.staticfile.org/vue/2.2.2/vue.min.js"></script>
<script>
    let v = new Vue({
        el:"body>div",
        data:{
            user:{
                username:"",password:"",nickname:""
            }
        },
        methods:{
            reg(){
                //发出异步请求
                //发出post请求,1.有敏感信息 2. 参数比较多需要封装到对象里面传输
                axios.post("/reg",v.user).then(function (response) {
                    if (response.data==1){
                        alert("注册成功! 返回首页");
                        location.href="/";
                    }else{//用户名已存在
                        alert("用户名已存在!");
                    }
                })
            }
        }
    })
</script>
</body>
</html>